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Commit 4cbb0f8d authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nvd0/disp: disconnect encoders before reprogramming them 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 3488c57b

drivers/gpu/drm/nouveau/nvd0_display.c

+33 −33
Original line number Diff line number Diff line
@@ -284,6 +284,8 @@ nvd0_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb, 
	u32 *push;

	int ret;



	evo_sync(crtc->dev, EVO_MASTER);



	swap_interval <<= 4;

	if (swap_interval == 0)

		swap_interval |= 0x100;
@@ -593,7 +595,7 @@ nvd0_crtc_commit(struct drm_crtc *crtc) 
		evo_kick(push, crtc->dev, EVO_MASTER);

	}



	nvd0_crtc_cursor_show(nv_crtc, nv_crtc->cursor.visible, false);

	nvd0_crtc_cursor_show(nv_crtc, nv_crtc->cursor.visible, true);

	nvd0_display_flip_next(crtc, crtc->fb, NULL, 1);

}
@@ -947,11 +949,6 @@ nvd0_dac_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, 
	return true;

}



static void

nvd0_dac_prepare(struct drm_encoder *encoder)

{

}



static void

nvd0_dac_commit(struct drm_encoder *encoder)

{
@@ -1045,7 +1042,7 @@ nvd0_dac_destroy(struct drm_encoder *encoder) 
static const struct drm_encoder_helper_funcs nvd0_dac_hfunc = {

	.dpms = nvd0_dac_dpms,

	.mode_fixup = nvd0_dac_mode_fixup,

	.prepare = nvd0_dac_prepare,

	.prepare = nvd0_dac_disconnect,

	.commit = nvd0_dac_commit,

	.mode_set = nvd0_dac_mode_set,

	.disable = nvd0_dac_disconnect,
@@ -1385,9 +1382,38 @@ nvd0_sor_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, 
	return true;

}



static void

nvd0_sor_disconnect(struct drm_encoder *encoder)

{

	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);

	struct drm_device *dev = encoder->dev;

	u32 *push;



	if (nv_encoder->crtc) {

		nvd0_crtc_prepare(nv_encoder->crtc);



		push = evo_wait(dev, EVO_MASTER, 4);

		if (push) {

			evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);

			evo_data(push, 0x00000000);

			evo_mthd(push, 0x0080, 1);

			evo_data(push, 0x00000000);

			evo_kick(push, dev, EVO_MASTER);

		}



		nvd0_hdmi_disconnect(encoder);



		nv_encoder->crtc = NULL;

		nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;

	}

}



static void

nvd0_sor_prepare(struct drm_encoder *encoder)

{

	nvd0_sor_disconnect(encoder);

	if (nouveau_encoder(encoder)->dcb->type == OUTPUT_DP)

		evo_sync(encoder->dev, EVO_MASTER);

}



static void
@@ -1508,32 +1534,6 @@ nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode, 
	nv_encoder->crtc = encoder->crtc;

}



static void

nvd0_sor_disconnect(struct drm_encoder *encoder)

{

	struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);

	struct drm_device *dev = encoder->dev;

	u32 *push;



	if (nv_encoder->crtc) {

		nvd0_crtc_prepare(nv_encoder->crtc);



		push = evo_wait(dev, EVO_MASTER, 4);

		if (push) {

			evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);

			evo_data(push, 0x00000000);

			evo_mthd(push, 0x0080, 1);

			evo_data(push, 0x00000000);

			evo_kick(push, dev, EVO_MASTER);

		}



		nvd0_hdmi_disconnect(encoder);



		nv_encoder->crtc = NULL;

		nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;

	}

}



static void

nvd0_sor_destroy(struct drm_encoder *encoder)

{